body {
  top: 0;
  left: 0;
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  position: absolute;
  background-color: #fff;
  font: 11px 'Comic Sans MS', cursive, Arial, Helvetica, sans-serif;
}

body > canvas {
  padding: 0;
  margin: 0 auto;
  display: block;
}
